-50.18% is the change from 570 to 284
Calculation steps:
[( 284 - 570 ) ÷ 570] x 100 = -50.18%
Formula
Percentage change = [(284 - 570) / 570] x 100
Subtract the new number by the original number
284 - 570 = -286
-286 ÷ 570 = -0.5017543859649123
-0.5017543859649123 x 100 = -50.18%